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Finding the Fourth Proportional to 4,868.16, 7,282.08 and 3,896.16

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Solution

The fourth proportional to 4,868.16, 7,282.08 and 3,896.16 is: 5,828.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.16 : 7,282.08 = 3,896.16 : x
  2. Step 2: Convert to fraction form
    4,868.16/7,282.08 = 3,896.16/x
  3. Step 3: Cross multiply
    4,868.16x = 7,282.08 × 3,896.16
  4. Step 4: Simplify right side
    4,868.16x = 28,372,148.81
  5. Step 5: Solve for x
    x = 28,372,148.81/4,868.16
  6. Step 6: Final answer
    x = 5,828.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.